Authorities are searching for the driver of a semi involved in a hit-and-run accident that injured a boy on Tuesday in Groton. The accident injured a 13-year-old Groton boy who was riding his bicycle along the side of the road as the semi passed. Trooper Carl Stearns of the South Dakota Highway Patrol said Tyler Holm was traveling west on U.S. Highway 12 in Groton when the semi, which was also traveling west, pulled up beside him. "The semi didn't move over," Stearns said. Holm, who was on his bike, collided with the side of the semi as it passed. "The semi didn't stop and continued down the road," Stearns said. Witnesses at the scene gave differing descriptions of the semi, he said. One person described a semi pulling a flatbed and a pup trailer. Another said the semi was pulling a bull rack. Holm was transported to Avera St. Luke's Hospital by an Aberdeen Fire and Rescue ambulance. While witnesses reported he was unconscious at the scene, Stearns said the teen had regained consciousness by the time he arrived at the hospital. Stearns said Holm's injuries are not considered life threatening. "He was banged up pretty good, though," he said. A nursing supervisor at St. Luke's said Holm was treated at the hospital and then transferred to Avera McKennan Hospital in Sioux Falls. He was listed in fair condition as of late Tuesday night. Following the accident, the westbound lanes were shut down for a short time as traffic was rerouted around the closed portion of Highway 12, Stearns said. Authorities searched for the semi and its driver but were unable to find them. Anyone with any information on the accident is asked to call the South Dakota Highway Patrol's Aberdeen office at (605) 626-2286. Stearns also encouraged any semi driver traveling through the area at the time of the accident to give the office a call. "It's possible they might have seen the boy on his bike," he said. "Any information is welcome." In addition to the highway patrol and Aberdeen Fire and Rescue, the Brown County Sheriff's Office, the Groton Police Department and Groton First Responders also assisted at the scene. Reporter Emily Arthur-Richardt; (605) 622-2314 or 1-800-925-4100 ext. 314